27918904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 32561096

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 199, 247, 284, 398, 494, 568, 796, 923, 988, 1349, 1592, 1846, 1976, 2587, 2698, 3692, 3781, 5174, 5396, 7384, 7562, 10348, 10792, 14129, 15124, 17537, 20696, 28258, 30248, 35074, 49153, 56516, 70148, 98306, 113032, 140296, 183677, 196612, 268451, 367354, 393224, 536902, 734708, 1073804, 1469416, 2147608, 3489863, 6979726, 13959452, 27918904]

約数ペア:

[(1, 27918904), (2, 13959452), (4, 6979726), (8, 3489863), (13, 2147608), (19, 1469416), (26, 1073804), (38, 734708), (52, 536902), (71, 393224), (76, 367354), (104, 268451), (142, 196612), (152, 183677), (199, 140296), (247, 113032), (284, 98306), (398, 70148), (494, 56516), (568, 49153), (796, 35074), (923, 30248), (988, 28258), (1349, 20696), (1592, 17537), (1846, 15124), (1976, 14129), (2587, 10792), (2698, 10348), (3692, 7562), (3781, 7384), (5174, 5396)]